/*
 * Copyright © 2022 Cask Data, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

export const initialState = {
  currentStage: 1,
  selectedAction: null,
  widgetJson: null,
  values: null,
};

export const reducer = (state, action) => {
  switch (action.type) {
    case 'back':
      if (state.currentStage === 2) {
        return {
          ...state,
          currentStage: state.currentStage - 1,
          selectedAction: null,
          widgetJson: null,
          values: null,
        };
      }
      return { ...state, currentStage: state.currentStage - 1 };
    case 'next':
      return { ...state, currentStage: state.currentStage + 1, values: action.payload.values };
    case 'select':
      return {
        ...state,
        selectedAction: action.payload.action,
        widgetJson: action.payload.widgetJson,
        currentStage: 2,
        values: action.payload.action.plugin.properties,
      };
    case 'confirm':
      return initialState;
    default:
      return state;
  }
};
